.header{
    height: 40px;
    width: 100%;
    background-color: rgb(243, 128, 128);
    display: flex;
    align-items: center;
    box-sizing: border-box;
    position: fixed;
    top: 0;
    overflow: hidden;
    z-index: 100;
}
.header span{
    padding: 10px;
    color:white;
    font-size: 12px;
    padding: 5px 8px;
}
.header input{
    flex: 1;
    height: 30px;
    border-radius: 15px;
    margin: 0px 5px;
    outline: none;
    border: none;
    text-align: center;
    font-size: 14px;
    padding-left: 2px;
}
.header img{
    position: fixed;
    left: 67px;
}